RTV silicone rubber mainly used for shoe molds, sand casting, sole sampling, plaster models, simple products, products with non-complex patterns, as well as product models with stable size and non-deformation. Component A is white flowing liquid and component B is the curing agent. For example, take liquid silicone rubber of 100g and add 2% curing agent for mixing evenly. After the liquid silicone rubber and the curing agent are completely mixed, put the silicon into a vacuum machine for deairing to remove the bubbles. After deaired, pouring the liquid silicone rubber into the product to be duplicated or into the mold frame ESPECIALLY APPLIED IN MAKING POLYESTER, EPOXY, POLYURETHANE, LAMP, DECORATIONS MADE OF PU FOAMING, DUPLICATION OF ARTWORKS, ARCHAIZEDFURNITURE, ARTISTIC CANDLES, ARTIFICIAL PLASTIC & RUBBER * SUITABLE FOR Plastic. Features:1) Low linear shrinkage 2)High reproduction 3) reasonable price 4)Curing agent for free.Silicon flexible molds are used for mold duplication and delicate mold making for poli crafts, resin crafts lighting and candle crafts